Question: Were Turkic languages official language of Uyghur people in Mongol Empire?
Paraphrase: In the Mongol Empire, were the Turkic languages the official languages spoken by the Uyghur people?
SPARQL (Wikidata): ASK WHERE { wd:Q12557 wdt:P37 wd:Q34090 . wd:Q12557 wdt:P37 wd:Q46118 }